diff --git a/drivers/firmware/arm_scmi/base.c b/drivers/firmware/arm_scmi/base.c
index 2fe76827e627..e7c21e925ea2 100644
--- a/drivers/firmware/arm_scmi/base.c
+++ b/drivers/firmware/arm_scmi/base.c
@@ -262,7 +262,7 @@ static int scmi_base_error_notify(const struct scmi_handle *handle, bool enable)
 	return ret;
 }
 
-static int scmi_base_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_base_set_notify_enabled(const void *handle,
 					u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
@@ -274,7 +274,7 @@ static int scmi_base_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_base_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_base_fill_custom_report(const void *handle,
 					  u8 evt_id, ktime_t timestamp,
 					  const void *payld, size_t payld_sz,
 					  void *report, u32 *src_id)
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 2740c28928c7..da0620318cab 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -647,6 +647,7 @@ scmi_get_protocol_instance(struct scmi_handle *handle, u8 protocol_id)
 
 		if (pi->proto->events)
 			scmi_register_protocol_events(handle, pi->proto->id,
+						      &pi->ph,
 						      pi->proto->events);
 
 		devres_close_group(handle->dev, pi->gid);
diff --git a/drivers/firmware/arm_scmi/notify.c b/drivers/firmware/arm_scmi/notify.c
index 8b4af3847bfa..d88bc9960c7c 100644
--- a/drivers/firmware/arm_scmi/notify.c
+++ b/drivers/firmware/arm_scmi/notify.c
@@ -178,7 +178,7 @@
 #define REVT_NOTIFY_SET_STATUS(revt, eid, sid, state)		\
 ({								\
 	typeof(revt) r = revt;					\
-	r->proto->ops->set_notify_enabled(r->proto->ni->handle,	\
+	r->proto->ops->set_notify_enabled(r->proto->ph,		\
 					(eid), (sid), (state));	\
 })
 
@@ -191,7 +191,7 @@
 #define REVT_FILL_REPORT(revt, ...)				\
 ({								\
 	typeof(revt) r = revt;					\
-	r->proto->ops->fill_custom_report(r->proto->ni->handle,	\
+	r->proto->ops->fill_custom_report(r->proto->ph,		\
 					  __VA_ARGS__);		\
 })
 
@@ -279,6 +279,7 @@ struct scmi_registered_event;
  *		       events' descriptors, whose fixed-size is determined at
  *		       compile time.
  * @registered_mtx: A mutex to protect @registered_events_handlers
+ * @ph: SCMI protocol handle reference
  * @registered_events_handlers: An hashtable containing all events' handlers
  *				descriptors registered for this protocol
  *
@@ -303,6 +304,7 @@ struct scmi_registered_events_desc {
 	struct scmi_registered_event	**registered_events;
 	/* mutex to protect registered_events_handlers */
 	struct mutex			registered_mtx;
+	const struct scmi_protocol_handle	*ph;
 	DECLARE_HASHTABLE(registered_events_handlers, SCMI_REGISTERED_HASH_SZ);
 };
 
@@ -735,6 +737,7 @@ scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,
  * @handle: The handle identifying the platform instance against which the
  *	    protocol's events are registered
  * @proto_id: Protocol ID
+ * @ph: SCMI protocol handle.
  * @ee: A structure describing the events supported by this protocol.
  *
  * Used by SCMI Protocols initialization code to register with the notification
@@ -745,6 +748,7 @@ scmi_allocate_registered_events_desc(struct scmi_notify_instance *ni,
  * Return: 0 on Success
  */
 int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+				  const struct scmi_protocol_handle *ph,
 				  const struct scmi_protocol_events *ee)
 {
 	int i;
@@ -754,7 +758,7 @@ int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
 	struct scmi_notify_instance *ni;
 	const struct scmi_event *evt;
 
-	if (!ee || !ee->ops || !ee->evts ||
+	if (!ee || !ee->ops || !ee->evts || !ph ||
 	    (!ee->num_sources && !ee->ops->get_num_sources))
 		return -EINVAL;
 
@@ -768,7 +772,7 @@ int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
 	if (ee->num_sources) {
 		num_sources = ee->num_sources;
 	} else {
-		int nsrc = ee->ops->get_num_sources(handle);
+		int nsrc = ee->ops->get_num_sources(ph);
 
 		if (nsrc <= 0)
 			return -EINVAL;
@@ -786,6 +790,7 @@ int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
 	if (IS_ERR(pd))
 		goto err;
 
+	pd->ph = ph;
 	for (i = 0; i < ee->num_events; i++, evt++) {
 		struct scmi_registered_event *r_evt;
 
diff --git a/drivers/firmware/arm_scmi/notify.h b/drivers/firmware/arm_scmi/notify.h
index 97ddfe55d773..2281a740ae96 100644
--- a/drivers/firmware/arm_scmi/notify.h
+++ b/drivers/firmware/arm_scmi/notify.h
@@ -50,10 +50,10 @@ struct scmi_protocol_handle;
  *	    process context.
  */
 struct scmi_event_ops {
-	int (*get_num_sources)(const struct scmi_handle *handle);
-	int (*set_notify_enabled)(const struct scmi_handle *handle,
+	int (*get_num_sources)(const void *handle);
+	int (*set_notify_enabled)(const void *handle,
 				  u8 evt_id, u32 src_id, bool enabled);
-	void *(*fill_custom_report)(const struct scmi_handle *handle,
+	void *(*fill_custom_report)(const void *handle,
 				    u8 evt_id, ktime_t timestamp,
 				    const void *payld, size_t payld_sz,
 				    void *report, u32 *src_id);
@@ -82,6 +82,7 @@ void scmi_notification_exit(struct scmi_handle *handle);
 
 struct scmi_protocol_handle;
 int scmi_register_protocol_events(const struct scmi_handle *handle, u8 proto_id,
+				  const struct scmi_protocol_handle *ph,
 				  const struct scmi_protocol_events *ee);
 void scmi_deregister_protocol_events(const struct scmi_handle *handle,
 				     u8 proto_id);
diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c
index b3160bd5ad0b..f27a0afbe65a 100644
--- a/drivers/firmware/arm_scmi/perf.c
+++ b/drivers/firmware/arm_scmi/perf.c
@@ -772,7 +772,7 @@ static const struct scmi_perf_ops perf_ops = {
 	.power_scale_mw_get = scmi_power_scale_mw_get,
 };
 
-static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_perf_set_notify_enabled(const void *handle,
 					u8 evt_id, u32 src_id, bool enable)
 {
 	int ret, cmd_id;
@@ -789,7 +789,7 @@ static int scmi_perf_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_perf_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_perf_fill_custom_report(const void *handle,
 					  u8 evt_id, ktime_t timestamp,
 					  const void *payld, size_t payld_sz,
 					  void *report, u32 *src_id)
@@ -837,9 +837,10 @@ static void *scmi_perf_fill_custom_report(const struct scmi_handle *handle,
 	return rep;
 }
 
-static int scmi_perf_get_num_sources(const struct scmi_handle *handle)
+static int scmi_perf_get_num_sources(const void *handle)
 {
-	struct scmi_perf_info *pi = handle->perf_priv;
+	struct scmi_perf_info *pi =
+		((const struct scmi_handle *)(handle))->perf_priv;
 
 	if (!pi)
 		return -EINVAL;
diff --git a/drivers/firmware/arm_scmi/power.c b/drivers/firmware/arm_scmi/power.c
index 6db02dc547a7..e4c084ca92e4 100644
--- a/drivers/firmware/arm_scmi/power.c
+++ b/drivers/firmware/arm_scmi/power.c
@@ -213,7 +213,7 @@ static int scmi_power_request_notify(const struct scmi_handle *handle,
 	return ret;
 }
 
-static int scmi_power_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_power_set_notify_enabled(const void *handle,
 					 u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
@@ -226,7 +226,7 @@ static int scmi_power_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_power_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_power_fill_custom_report(const void *handle,
 					   u8 evt_id, ktime_t timestamp,
 					   const void *payld, size_t payld_sz,
 					   void *report, u32 *src_id)
@@ -246,9 +246,10 @@ static void *scmi_power_fill_custom_report(const struct scmi_handle *handle,
 	return r;
 }
 
-static int scmi_power_get_num_sources(const struct scmi_handle *handle)
+static int scmi_power_get_num_sources(const void *handle)
 {
-	struct scmi_power_info *pinfo = handle->power_priv;
+	struct scmi_power_info *pinfo =
+		((const struct scmi_handle *)(handle))->power_priv;
 
 	if (!pinfo)
 		return -EINVAL;
diff --git a/drivers/firmware/arm_scmi/reset.c b/drivers/firmware/arm_scmi/reset.c
index 7102cfeb2397..7047e5baecc2 100644
--- a/drivers/firmware/arm_scmi/reset.c
+++ b/drivers/firmware/arm_scmi/reset.c
@@ -224,7 +224,7 @@ static int scmi_reset_notify(const struct scmi_handle *handle, u32 domain_id,
 	return ret;
 }
 
-static int scmi_reset_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_reset_set_notify_enabled(const void *handle,
 					 u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
@@ -237,7 +237,7 @@ static int scmi_reset_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_reset_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_reset_fill_custom_report(const void *handle,
 					   u8 evt_id, ktime_t timestamp,
 					   const void *payld, size_t payld_sz,
 					   void *report, u32 *src_id)
@@ -257,9 +257,10 @@ static void *scmi_reset_fill_custom_report(const struct scmi_handle *handle,
 	return r;
 }
 
-static int scmi_reset_get_num_sources(const struct scmi_handle *handle)
+static int scmi_reset_get_num_sources(const void *handle)
 {
-	struct scmi_reset_info *pinfo = handle->reset_priv;
+	struct scmi_reset_info *pinfo =
+		((const struct scmi_handle *)(handle))->reset_priv;
 
 	if (!pinfo)
 		return -EINVAL;
diff --git a/drivers/firmware/arm_scmi/sensors.c b/drivers/firmware/arm_scmi/sensors.c
index 526e2236929c..e1e428d59d5f 100644
--- a/drivers/firmware/arm_scmi/sensors.c
+++ b/drivers/firmware/arm_scmi/sensors.c
@@ -835,7 +835,7 @@ static const struct scmi_sensor_ops sensor_ops = {
 	.config_set = scmi_sensor_config_set,
 };
 
-static int scmi_sensor_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_sensor_set_notify_enabled(const void *handle,
 					  u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
@@ -860,7 +860,7 @@ static int scmi_sensor_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_sensor_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_sensor_fill_custom_report(const void *handle,
 					    u8 evt_id, ktime_t timestamp,
 					    const void *payld, size_t payld_sz,
 					    void *report, u32 *src_id)
@@ -890,7 +890,8 @@ static void *scmi_sensor_fill_custom_report(const struct scmi_handle *handle,
 		struct scmi_sensor_info *s;
 		const struct scmi_sensor_update_notify_payld *p = payld;
 		struct scmi_sensor_update_report *r = report;
-		struct sensors_info *sinfo = handle->sensor_priv;
+		struct sensors_info *sinfo =
+			((const struct scmi_handle *)(handle))->sensor_priv;
 
 		/* payld_sz is variable for this event */
 		r->sensor_id = le32_to_cpu(p->sensor_id);
@@ -920,9 +921,10 @@ static void *scmi_sensor_fill_custom_report(const struct scmi_handle *handle,
 	return rep;
 }
 
-static int scmi_sensor_get_num_sources(const struct scmi_handle *handle)
+static int scmi_sensor_get_num_sources(const void *handle)
 {
-	struct sensors_info *si = handle->sensor_priv;
+	struct sensors_info *si =
+		((const struct scmi_handle *)(handle))->sensor_priv;
 
 	return si->num_sensors;
 }
diff --git a/drivers/firmware/arm_scmi/system.c b/drivers/firmware/arm_scmi/system.c
index 167f539f7d95..6690610c2c26 100644
--- a/drivers/firmware/arm_scmi/system.c
+++ b/drivers/firmware/arm_scmi/system.c
@@ -53,7 +53,7 @@ static int scmi_system_request_notify(const struct scmi_handle *handle,
 	return ret;
 }
 
-static int scmi_system_set_notify_enabled(const struct scmi_handle *handle,
+static int scmi_system_set_notify_enabled(const void *handle,
 					  u8 evt_id, u32 src_id, bool enable)
 {
 	int ret;
@@ -65,7 +65,7 @@ static int scmi_system_set_notify_enabled(const struct scmi_handle *handle,
 	return ret;
 }
 
-static void *scmi_system_fill_custom_report(const struct scmi_handle *handle,
+static void *scmi_system_fill_custom_report(const void *handle,
 					    u8 evt_id, ktime_t timestamp,
 					    const void *payld, size_t payld_sz,
 					    void *report, u32 *src_id)
